Plant Growth Development

Question 1

The leaves of same plant or trees do not only have.same dimensions but also appear and fall periodically and sime time repeatedly

Answer 1

True

Question 2

All cells of a plant are ascendents of zygote
True or false

Answer 2

False, descendants

Question 3

Development is sum of

Answer 3

Growth and defferentiation

Question 4

Growth is regarded one of the most fundamental and inconspicuous characteristics
(True or false)

Answer 4

False , conspicuous

Question 5

Example of growth

Answer 5

Expansion of leaf and leaf is example of limited growth

Question 6

Degrowth means anabolic greater than catabolic
True or false

Answer 6

False it means catabolic rate more than anabolic
As catabolic means breakdown and anabolic means synthesis so it is also called AGEING

Question 7

A- plant growth is unique
R-plants retain the capacity for unlimited growth throughout their life

Answer 7

Both are correct and correct explanation

Question 8

Open form of growth is

Answer 8

Means new cells are added to plant body by the activity of plant cell means Added from meristem. Not to meristem

Question 9

Which meristem principally contribute to the elongation of the plant along their axis

Answer 9

Root and shoot apical meristem
They perform primary growth

Question 10

Lateral root ,vascular cambium,and cork cambium appear later in life of the

Answer 10

Gymnosperm and dicot plants

Question 11

Wood is example of

Answer 11

Secondary growth

Question 12

Secondary permanent tissue example

Answer 12

Secondary xylem secondary phloem secondary cortex

Question 13

Example of secondary meristem

Answer 13

Interfascicular cambium persent in dicot stem
Intrafasucular cambium present in dicot root
Cork cambium developed in the cortex region of dicot stem and dicot root

Question 14

Ina bacterial fuil in a test tube of 5 ml there is bacteria of 5×10^10 ml and there reproduction time is 20 min then how much time bacteria take to complete 10 ml solution

Answer 14

20 min because it is 5 ml solution and it’s reproduction time is 29 min then it take again 20 min to fill 5 ml solution

Question 15

Growth in living organisms in cell or tissue are of different types

Answer 15

True

Question 16

Root elongation is example of

Answer 16

Arithematic growth

Question 17

In the geometrical The progeny cells following metiotically cell division

Answer 17

False mitotically cell division

Question 18

Curve in the tree showing seasonal activity

Answer 18

Segmoid curve

Question 19

A new cell wall deposition are the characteristics of the cell in the phase of

Answer 19

Elongation

Question 20

Water temperature as oxygen are very essential element for growth( pg 224)

Answer 20

Flase water oxygen and nutrients

Question 21

Only Macro nutrients are required by plant for the synthesis of protoplasmsnd acts as source of energy

Answer 21

Flase both macro and micro nutrients are required

Question 22

Some plant organism need optimum temperature range

Answer 22

False every plant organisms required

Question 23

Senescence is

Answer 23

Means aging

Question 24

Cell position away from from root apical meristem mature as root cap cells and whe those pushed toward periphery differentiate as epidermis

Answer 24

True

Question 25

During Re dedefferentiation cells undergoes few major structural change both in their cell wall and protoplasm

Answer 25

No flase this happens during defferentiation

Question 26

They are produced by the growing apices of the stens and roots

Answer 26

False are generally produced

Question 27

All the auxins are used normally in the agriculture and histiculture

Answer 27

False extremely used in agriculture and hosticulter

Question 28

Auxins inhibits the absicsion of older mature leaves and fruits

Answer 28

Flase promotes or stimulate

Question 29

Auxins is bioassy by

Answer 29

Avena curvature test

Question 30

IAA is used in bioassya of auxins

Answer 30

True